19655940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{327599}}^1$

素因数の和:327611

約数の個数: 24

約数和(自身を含む): 55036800

約数和(自身を除く): 35380860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 327599, 655198, 982797, 1310396, 1637995, 1965594, 3275990, 3931188, 4913985, 6551980, 9827970, 19655940]

約数ペア:

[(1, 19655940), (2, 9827970), (3, 6551980), (4, 4913985), (5, 3931188), (6, 3275990), (10, 1965594), (12, 1637995), (15, 1310396), (20, 982797), (30, 655198), (60, 327599)]